Patents by Inventor Yumi Kawaguchi

Yumi Kawaguchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Liquid storage bag
    Patent number: 7597691
    Abstract: A liquid storage bag having a partition wall allowed to be peeled easily and not peeled by an accidental drop, etc. The liquid storage bag is one wherein the upper part thereof is closed with a freely and closable zipper, the bottom thereof is provided with a liquid outlet, and an easily peelable partition wall (a weak seal part) is provided close to the zipper. The internal space of the liquid storage bag is divided liquid-tightly into upper and lower parts through this weak seal part, liquid is stored in the lower part of the internal space (liquid storage chamber), and the weak seal part is formed in outside-convex form at a center and increased in width at both end parts thereof.
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: October 6, 2009
    Assignees: Ajinomoto Co., Inc., Nipro Corporation
    Inventors: Yumi Kawaguchi, Toru Ikeda, Yoshihiro Kobayashi, Shozo Taguchi, Yoshikatsu Tomita
  • Liquid storage bag
    Publication number: 20030148004
    Abstract: According to the present invention, there is provided a liquid storage bag having a partition wall allowed to be peeled easily and not peeled by an accidental drop, etc.
    Type: Application
    Filed: October 24, 2002
    Publication date: August 7, 2003
    Inventors: Yumi Kawaguchi, Toru Ikeda, Yoshihiro Kobayashi, Shozo Taguchi, Yoshikatsu Tomita